datsun-roadsters
[Top] [All Lists]

Re: Re[2]: Roadster gear ratio's

To: <Fred_Katz@ci.sf.ca.us>, <datsun-roadsters@autox.team.net>
Subject: Re: Re[2]: Roadster gear ratio's
From: "Patrick P. Castronovo" <slick1@mohaveaz.com>
Date: Fri, 9 Feb 2001 12:43:02 -0800
In that case, right. Pat
-----Original Message-----
From: Fred_Katz@ci.sf.ca.us <Fred_Katz@ci.sf.ca.us>
To: datsun-roadsters@autox.team.net <datsun-roadsters@autox.team.net>;
Patrick P. Castronovo <slick1@mohaveaz.com>
Date: Friday, February 09, 2001 11:29 AM
Subject: Re[2]: Roadster gear ratio's


>Pat,
>
>No, I said it changes the effective gearing ratio, not the actual gear
>ratio. As Adam said, I'm making the case that the effective gearing ratio
>changes so "2.957 in 1st with 3.70 rearend rotates the tire at the same
>rate as 3.117 in 1st with 3.90 rearend". You put a different rear end in,
>you get a different effective ratio in comparison with the stock setup.
>
>Fred
>'66 2L with 1600-rear-end - quick off the line
>'68 2L with 2000-rear-end - not as quick
>'70 1600 with 1600-rear-end - quick off the line
>
>________________________ Reply Separator ______________________
>Subject: Re: Roadster gear ratio's
>Author:  "Patrick P. Castronovo" <slick1@mohaveaz.com>
>Date:    2/9/2001 7:27 AM
>
>
>It changes where the rubber meets the road, not the actual gear ratio of
the
>gear box. Pat
>
>-----Original Message-----
>From: roadster <roadster@rcn.com>
>To: Patrick P. Castronovo <slick1@mohaveaz.com>; Fred_Katz@ci.sf.ca.us
><Fred_Katz@ci.sf.ca.us>; datsun-roadsters@autox.team.net
><datsun-roadsters@autox.team.net>; Michael Poorboy
><bitterrootprop@nidlink.com>
>Date: Thursday, February 08, 2001 9:41 PM
>Subject: Re: Roadster gear ratio's
>
>
>>Pat,
>>
>>Nope. Check your figures again. I'm using a 5-speed with a 3.90 rear end.
>>When you calculate the ratio between a 3.70 and a 3.90, it changes the
>>effective gearing ratios!
>>
>>Fred
>>
>>----- Original Message -----
>>From: "Patrick P. Castronovo" <slick1@mohaveaz.com>
>>To: <Fred_Katz@ci.sf.ca.us>; <datsun-roadsters@autox.team.net>; "Michael
>>Poorboy" <bitterrootprop@nidlink.com>
>>Sent: Thursday, February 08, 2001 4:55 PM
>>Subject: Re: Roadster gear ratio's
>>
>>
>>> You have the gearing wrong. 5 speed:
>>>
>>>                         Fred
Chilton
>>> book
>>>
>>> 1st                  3.117                                      2.957
>>>
>>> 2nd                 1.958                                      1.858
>>>
>>> 3rd                  1.382                                      1.311
>>>
>>> 4th                  1.054                                       1.000
>>>
>>> 5th                    .898
.852
>>> Pat
>>>
>>> -----Original Message-----
>>> From: Fred_Katz@ci.sf.ca.us <Fred_Katz@ci.sf.ca.us>
>>> To: datsun-roadsters@autox.team.net <datsun-roadsters@autox.team.net>;
>>> Michael Poorboy <bitterrootprop@nidlink.com>
>>> Date: Thursday, February 08, 2001 2:18 PM
>>> Subject: Re: Roadster gear ratio's
>>>
>>>
>>> >Mike,
>>> >
>>> >So if you have a 1600 rear end 3.9, with a 5-speed trans then you get
>the
>>> >following?
>>> >
>>> >5-spd with
>>> >1600 Rear end standard :  3.9
>>> >
>>> >1st Gear : 3.117
>>> >2nd Gear : 1.958
>>> >3rd Gear: 1.382
>>> >4th Gear: 1.054
>>> >5th Gear: .898
>>> >
>>> >And with smaller than stock wheels, that moves the 5-spd values for
1st,
>>> >2nd, 5th even closer to the stock 4-spd values for 1st, 2nd, and 4th.
>>Very
>>> >interesting!
>>> >
>>> >Fred - So.SF
>>> >BADROC
>>> >'66 with 2000/5spd.
>>> >
>>> >___________________ Reply Separator _________________________
>>> >>Subject: Roadster gear ratio's
>>> >>Author:  Michael Poorboy <bitterrootprop@nidlink.com>
>>> >>Date:    2/8/2001 12:43 PM
>>> >>
>>> >>List,
>>> >>I found my manual so here are the numbers for the Roadster:
>>> >>
>>> >>1600:
>>> >>
>>> >>Rear end standard :  3.9
>>> >>
>>> >>1st Gear : 3.382
>>> >>2nd Gear: 2.013
>>> >>3rd Gear : 1.312
>>> >>4th Gear : 1.00
>>> >>
>>> >>
>>> >>2000
>>> > >Rear end gear standard :  3.70
>>> >>
>>> >>1st Gear : 2.957
>>> >>2nd Gear : 1.858
>>> >>3rd Gear: 1.311
>>> >>4th Gear: 1.00
>>> >>5th Gear: .852
>>> >>
>>> >>And the calculator link again is :
>>> >>
>>> >>http://www.geocities.com/z_design_studio/
>>> >>
>>> >>Thanks,
>>> >>Mike
>>> >>Nowroc

<Prev in Thread] Current Thread [Next in Thread>